[sage-support] make error

2016-02-10 Thread Alex
Hi, I've tried to compilate sage but it doesn't work. Here is the message in the shell : make build/make/Makefile make[1]: Entering directory '/usr/local/share/sage-7.0' rm -f config.log mkdir -p logs/pkgs ln -s logs/pkgs/config.log config.log ./configure: line 1890: config.log: Permission denied

[sage-support] symbolic matrix multiplication in sage

2009-03-08 Thread alex
How can i compute the matrix multiplication (product) of two symbolic matrices in sage ? I have tried: A = maxima("matrix ([a, b], [c, d])") AI= A.invert() and A * AI gives matrix([a*d/(a*d-b*c),-b^2/(a*d-b*c)],[-c^2/(a*d-b*c),a*d/(a*d-b*c)]) so * is not the matrix product. I did not founf inf

[sage-support] Re: symbolic matrix multiplication in sage

2009-03-09 Thread alex
. do not work. I have tried A.AI A . AI and maxima("A.AI") please help me thx On Mar 9, 5:58 am, Robert Dodier wrote: > alex wrote: > > How can i compute the matrix multiplication (product) of two symbolic > > matrices in sage ? > > > I have tried: >

[sage-support] Re: symbolic matrix multiplication in sage

2009-03-10 Thread alex
eigenvectors within SAGE or with the MAXIMA interface ? Thank you very much ! ___ On Mar 9, 6:48 pm, Robert Bradshaw wrote: > On Mar 9, 2009, at 4:44 AM, David Joyner wrote: > > > > > On Sun, Mar 8, 2009 at 1:43 PM, alex > >

[sage-support] Re: Calculate eigenvectors of symbolic matrix?

2009-03-10 Thread alex
i have trouble in collecting the eigenvectors to form an eigenvector matrix (in the order given by the eigenvalue computation...). How can i do this ? I have tried all matrix commands. THX. On Mar 4, 6:22 pm, Jason Grout wrote: > Alexander Hupfer wrote: > > thank you for your quick reply. > >

[sage-support] Re: symbolic matrix multiplication in sage

2009-03-10 Thread alex
How can I collect the eigenvectors to form an eigenvector matrix ? I have tried all matrix commands and I always get some error ! Sorry, THX On Mar 10, 3:27 pm, Jason Grout wrote: > Iwan Lappo-Danilewski wrote: > > Why does a Matrix not possess the function full_simpify. I.e. why does > > P.fu

[sage-support] Re: symbolic matrix multiplication in sage

2009-03-10 Thread alex
exponential directly ? THX ! On Mar 10, 4:05 pm, alex wrote: > How can I collect the eigenvectors to form an eigenvector matrix ? > > I have tried all matrix commands and I always get some error ! > > Sorry, > THX > > On Mar 10, 3:27 pm, Jason Grout wrote: > >

[sage-support] Re: symbolic matrix multiplication in sage

2009-03-11 Thread alex
Thank you very much, for the useful information ! Where can I find a complete and good documentation about Sage, better then the tutorial or the reference ? Thank you again. On Mar 10, 8:00 pm, Jason Grout wrote: > alex wrote: > > This seems to work: > > given a symbolic matrix

[sage-support] Matrix assignment oddity

2009-07-04 Thread Alex
well, as one would expect. Thanks, Alex Popa --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http

[sage-support] Cython compilation fail after separating code

2022-11-16 Thread Alex
This is essentially the same as my post on ask.sagemath.org , but after a while with no comments, I figured it would be okay to get more eyes on it here. I also asked on Zulip, but no dice there either. It

Re: [sage-support] Re: Sage 9.8 build error

2023-01-04 Thread Alex
Hi John, Sorry, just after I sent my previous message I realized I should have typed 'make typing_extensions' and not 'make typing_extension' so I am no longer getting the error I indicated above. I am currently building with no errors so far, so I will send another update s

Re: [sage-support] Re: Sage 9.8 build error

2023-01-04 Thread Alex
make[1]: *** [all-start] Error 1 >> make: *** [all] Error 2 >> """ >> >> This time there are only four packages with errors pointed out when I run >> >> grep -li "^Error" logs/pkgs/* >> >> so this is an improvement, but I am

Re: [sage-support] Re: Sage 9.8 build error

2023-01-05 Thread Alex
Thank you, Matthias. I was indeed able to build sage after passing "--without-system-singular" to "./configure". Still working on figuring out how to merge the branch of the ticket you suggested. Best, Alex On Thursday, January 5, 2023 at 10:54:13 AM UTC-8 Matthias Koeppe

[sage-support] Parallelization on a cluster

2019-07-05 Thread Alex Jacoby
MPI4PY here or whether SAGE already has everything we need. Any help would be very much appreciated. Best, Alex -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an e

[sage-support] How To Decorate Implicit Plots With Information About Points Along The Surface?

2015-04-19 Thread Alex Seewald
I want to make an implicit 3D plot of the surface of one coordinate having constant value in orthogonal, curvilinear coordinate systems, along with decorations on that surface of what the unit vectors look like at sample points. Is there any easy way to iterate over sample points of the surface,

Re: [sage-support] find_root for systems

2015-05-05 Thread Alex Lindsay
There's a good introduction on solving equations in sage here: http://www.sagemath.org/doc/tutorial/tour_algebra.html If you have a specific system of equations in mind, you should share them. On 05/05/2015 08:06 AM, Paul Royik wrote: How can I find numerical root for the system of equations?

[sage-support] sage doesn't support non-ASCII path during the installation

2016-05-13 Thread Alex Oxi
Distro lsb_release -a LSB Version:core-5.0-amd64:core-5.0-noarch Distributor ID:SUSE LINUX Description:openSUSE Leap 42.1 (x86_64) Release:42.1 Codename:n/a Kernel uname -rsm Linux 4.1.20-11-default x86_64 CPU Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz Sage version sage: version(

[sage-support] Unexpected behaviour of derivatives on power series

2017-01-15 Thread Alex Thorne
When differentiating elements of power series rings, I do not get the expected result. Below is a minimal example: R. = PowerSeriesRing(SR) f = 1 + O(x^2) f.derivative(1) f.derivative(2) f.derivative(3) The first derivative gives `O(x^1)` as expected and similarly the second gives `O(x^0)`. How

[sage-support] region_plot and not equals

2017-02-20 Thread Alex Jordan
I'm not sure what I would expect to see, but the following produces something I would not expect: region_plot([x <> 1], (x,-2,2), (y,-2,2)) The output has the region left of x=1 shaded, but not the region right of x=1. Similar "one-sided" results with region_plot([x <> y], (x,-2,2), (y,-2,2))

[sage-support] installation issues with sage 7.6

2017-03-30 Thread Alex Jordan
I'm installing Sage for the first time, on a Mac OS El Capitan. I downloaded from: http://files.sagemath.org/osx/intel/index.html the file sage-7.6-OSX_10.12.3-x86_64.app.dmg, and dragged Sage into Applications. The first time I opened Sage, a window opened that asked if I wanted to update som

[sage-support] Re: installation issues with sage 7.6

2017-03-31 Thread Alex Jordan
I installed Sage 7.4 and it's running well. For me, for now, this is an acceptable situation. Are there release notes for 7.5 and 7.6 that I could review to see what I am missing? The release notes here only go up to 7.3. -- You received this message beca

[sage-support] Re: installation issues with sage 7.6

2017-03-31 Thread Alex Jordan
Ah, thanks. I misunderstood your first message. So I will need Sierra if I wish to run 7.6. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubsc

[sage-support] Re: Expired security certificate, < https://www.sagenb.org/ >

2008-04-15 Thread alex clemesha
ates seem to get much more scary in Firefox 3. > > > > Does anyone know what one of those would cost for sagenb.org? > > $299/year > > I've set things in motion to order an official 1-year cert for sagemath.org > using Sage Foundation money. > Wait!, check this out

[sage-support] trouble starting publicly-accessible notebook

2008-04-16 Thread Alex Ghitza
] Loaded. and this is missing in the non-working version. By the way, the machine's specs are Linux bayes 2.6.22-gentoo-r5 #1 SMP Tue Aug 28 21:27:16 UTC 2007 i686 Intel(R) Xeon(TM) CPU 3.20GHz GenuineIntel GNU/Linux Thanks, Alex - -- Alexandru Ghitza Assistant Professor Department of

[sage-support] Re: trouble starting publicly-accessible notebook

2008-04-16 Thread Alex Ghitza
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 William Stein wrote: | On Wed, Apr 16, 2008 at 6:35 AM, Alex Ghitza <[EMAIL PROTECTED]> wrote: | Hi folks, | | I run a notebook server for one of the classes I'm teaching. It works | fine with sage-2.10.2, but I have trouble with

[sage-support] Re: Sage server on a gentoo system

2008-04-19 Thread Alex Ghitza
e notebook for outside connections; I've been having trouble with the newer versions. So if you cannot get sage-2.11 or so to work, you might want to try an earlier version. Best, Alex gerhard wrote: | Does anybody have some hints on how to | get a sage server up and running on a gentoo sys

[sage-support] Re: Sage server on a gentoo system

2008-04-19 Thread Alex Ghitza
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 William Stein wrote: | On Sat, Apr 19, 2008 at 9:38 AM, Alex Ghitza <[EMAIL PROTECTED]> wrote: | The "mysterious reason" is that we enhanced the security of | the notebook for local users. Namely, you now *must* do | | sage -c &

[sage-support] Re: implicit plot

2008-06-05 Thread alex clemesha
o devel/sage/sage/plot/plot.py. It's really gone almost nowhere in > the year and a half since Alex Clemesha stopped working on it. Deep inside I really want to give it another big push. Major, systematic work is (as we all know, blah, blah ;) hard - as in full time commitment. Here is w

[sage-support] Nullstellensatz certificates

2008-06-29 Thread Alex Raichev
hat 1 = a_1 f_1 +...+ a_s f_s. The polynomial identity 1 = a_1 f_1 +...+ a_s f_s is called a Nullstellensatz certificate. Can Sage compute Nullstellensatz certificates? I could not find an answer to this question in the Sage manual or via Google searches. Thanks for your attention.

[sage-support] Re: Nullstellensatz certificates

2008-07-01 Thread Alex Raichev
Excellent! The "f.lift" command is exactly what i am looking for. Thanks for your help, Martin. Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED

[sage-support] morphisms of projective spaces

2008-08-27 Thread Alex Ghitza
h case I'd love to find out how to make this work.) Cheers, Alex -- Alexandru Ghitza Lecturer, Pure Mathematics Department of Mathematics and Statistics The University of Melbourne Parkville, VIC, 3010 Australia --~--~-~--~~~---~--~~ To post to this group

[sage-support] http://wiki.sagemath.org/art

2008-09-17 Thread Alex Ghitza
Hi, The links under AMS January 2008 (with banner and flier files) are broken. Does anyone know where to find these files? Thanks, Alex -- Alexandru Ghitza Lecturer, Pure Mathematics Department of Mathematics and Statistics The University of Melbourne Parkville, VIC, 3010 Australia

[sage-support] bug in limit()

2008-09-17 Thread Alex Raichev
Hi all: There seems to be a bug in how the limit() function handles variables in its second argument. Here are two examples. Alex - | SAGE Version 3.0.6, Release Date: 2008-07-30

[sage-support] Re: bug in limit()

2008-09-18 Thread Alex Raichev
Thanks for clarifying that issue, Mike. Alex On Sep 18, 3:38 pm, "Mike Hansen" <[EMAIL PROTECTED]> wrote: > Hi Alex, > > > sage: limit(sin(y[0])/y[0],y[0]=0) > > > >   File "", line

[sage-support] Re: bug in limit()

2008-09-18 Thread Alex Raichev
ou execute functions requiring keyword arguments, such as limit(), when you don't know the symbolic variable names involved (but have references to them)? Alex On Sep 19, 9:22 am, Alex Raichev <[EMAIL PROTECTED]> wrote: > Thanks for clarifying that issue, Mike. > > Alex > > On Se

[sage-support] Re: bug in limit()

2008-09-18 Thread Alex Raichev
Sweet! Thanks, Mike. On Sep 19, 11:56 am, "Mike Hansen" <[EMAIL PROTECTED]> wrote: > On Thu, Sep 18, 2008 at 4:54 PM, Alex Raichev <[EMAIL PROTECTED]> wrote: > > > Now, with the above in mind, how do you write a function to evaluate > > that sine limit

[sage-support] substitution with callable symbolic functions

2008-09-18 Thread Alex Raichev
: -> 5142 raise ValueError, "variable name is not a valid Python identifier" 5143 5144 def __hash__(self): ValueError: variable name is not a valid Python identifier Alex On Sep 19, 1:18 pm, Alex Raichev <[EMAIL PROTECTED]> wrote: > Sweet!  Thank

[sage-support] Re: maple from sage on mac os

2008-09-24 Thread Alex Raichev
Hi William: The same thing happens to me on Mac OS X. How do i fix this? Alex -- | SAGE Version 3.1.2, Release Date: 2008-09-19 | | Type notebook() for the GUI, and license() for information

[sage-support] Re: maple from sage on mac os

2008-09-24 Thread Alex Raichev
ers/arai021/.sage//temp/prj_\ read "/Users/arai021/.sage//temp/prj_567_106.cs.auckland.ac.nz/4643// interface//tmp4643"; #-->567_106.cs.auckland.ac.nz/4643//interface//tmp4643"; sage2 #-->read "/Users/arread "/Users/arai021/.sage//temp/ prj_567_106

[sage-support] Re: Using Sage with a large number of undergraduate students.

2008-10-06 Thread Alex Clemesha
m the backend 'kernel'). What's missing from Knoboo, and what is so great about the Sage Notebook, is all the awesome usability features like @interact, etc. I'm optimistic that we will be able to merge both our best attributes in due time. -Alex -- Alex Clemesha clemesha

[sage-support] simplify with respect to side relations

2008-10-08 Thread Alex Raichev
Hi all: Is there a Sage command similar to Maple 11's 'simplify/siderels' which simplifies an expression with respect to given relations? I couldn't find mention of such a command in the Sage documentation. For more details, here's the Maple 11

[sage-support] Re: no plotting

2008-10-18 Thread Alex Ghitza
The correct syntax is sin(x), not sin x. And so the following works: sage: plot(sin(x), (-1,1)) Best, Alex -- Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne -- Australia -- http://www.ms.unimelb.edu.au/~aghitza/ --~--~-~--~~~---~--~~ To

[sage-support] Re: no plotting

2008-10-18 Thread Alex Ghitza
ew version is downloading the new binaries or source. Good luck, Alex On Sat, Oct 18, 2008 at 6:27 PM, Martin Rubey <[EMAIL PROTECTED]>wrote: > > I should have added: I did a sage -upgrade before. > > Doing sage -upgrade again I now get: > > Finished extraction >

[sage-support] Re: multiply a list by a constant

2008-10-18 Thread Alex Ghitza
I'm not sure this is what you're hoping for, but it does the trick: sage: [2*_ for _ in [3,4]] [6,8] Best, Alex On Sun, Oct 19, 2008 at 3:22 PM, pong <[EMAIL PROTECTED]> wrote: > > Is there any bulit-in function of sage which can multiply each element > of a list

[sage-support] Re: multiply a list by a constant

2008-10-18 Thread Alex Ghitza
27;s not a big deal since you can always use x as you did, but if it's really not working it might be a sign of other trouble. Alex On Sun, Oct 19, 2008 at 3:31 PM, pong <[EMAIL PROTECTED]> wrote: > > Hi Alex > >Thanks for the quick reply. By _ you mean a vari

[sage-support] Re: Problem finding eigenvalues in sage

2008-11-06 Thread Alex Ghitza
]]) sage: A.eigenvalues() [1.*I, -1. - 1.*I] 3. or, if you prefer to work with exact quantities: sage: K. = QuadraticField(-1) sage: A=matrix([[-1,-1+i],[1,0]]) sage: A.eigenvalues() [i, -i - 1] Hope this helps, Alex On Fri, Nov 7, 2008 at 3:21 PM, DJDANG <[EMAIL PROTECTED]>

[sage-support] multivariate Taylor series

2008-11-09 Thread Alex Raichev
Hi all: Is there Sage function that computes Taylor expansions for multivariate functions? Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more

[sage-support] Re: multivariate Taylor series

2008-11-10 Thread Alex Raichev
Thanks, Martin. On Nov 10, 8:07 pm, Martin Rubey <[EMAIL PROTECTED]> wrote: > Alex Raichev <[EMAIL PROTECTED]> writes: > > Hi all: > > > Is there Sage function that computes Taylor expansions for > > multivariate functions? > > If you are willing to ins

[sage-support] Is a complex number?

2008-11-19 Thread Alex Raichev
print "Nope" else: print "Yep" but is there a simpler way? Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROT

[sage-support] QQbar bug

2008-11-25 Thread Alex Raichev
license() for information.| sage: F.= NumberField(x^2-2) sage: a^2 2 sage: a^2 in QQ True sage: a^2 in QQbar False sage: 2 in QQbar True Alex --~--~-~--~~~---~--~~ To post to

[sage-support] variety() bug?

2008-11-25 Thread Alex Raichev
Hi all: Do any of you know what is going wrong with the variety() command in the example below? Sometimes it works, and sometimes it doesn't. The problem seems to be variety()'s call to triangular_decompositio

[sage-support] Re: variety() bug?

2008-11-27 Thread Alex Raichev
Here's an even simpler and more disturbing error with variety(). Is this just my installation? Alex -- | Sage Version 3.2, Release Date: 2008-11-20 | | Type notebook() for the GUI, and license(

[sage-support] number field question

2008-11-27 Thread Alex Raichev
mentioned there. Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support

[sage-support] Re: number field question

2008-11-30 Thread Alex Raichev
r with Sage? For example, how about factoring a polynomial, computing a radical ideal, or computing a variety (see below)? I get the same error for all these: "no conversion of this ring to a Singular ring defined". Alex

[sage-support] Re: number field question

2008-12-04 Thread Alex Raichev
, but i am learning more about Sage every day and my next job might support this endeavor more than my present one. So perhaps in the future i can work on this. Alex On Dec 4, 9:31 am, Carl Witty <[EMAIL PROTECTED]> wrote: > On Nov 30, 1:27 pm, Alex Raichev <[EMAIL PROTECTED]> w

[sage-support] Re: Perhaps a bug

2008-12-13 Thread Alex Ghitza
real. > > In case you're wondering how to achieve the result you're after: sage: RR(2.2*exp(3)) 44.1881812310129 Best, Alex -- Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne -- Australia -- http://www.ms.unimelb.edu.au/~aghitza/ --~--~-~--~

[sage-support] Re: Error in abc.n(digits=5)

2008-12-26 Thread Alex Ghitza
.| -- sage: proofStrain,f_y,gamma_ms = 0.002, 250, 1.1499 sage: abc = 3150/(2000*(proofStrain + 5.00e-6*f_y/gamma_ms) + 7) sage: abc 239.108910891089 sage: abc.n(digits=5) 239.11 Best, Alex -- Alex

[sage-support] Re: bug/feature? increasing precision of a complex number

2008-12-29 Thread Alex Ghitza
ave already made: you start with -5 which is an exact number, but as soon as you do CC(-5) you get a complex number with 53 bits of precision and no memory of where it's coming from. So doing CC(-5).n(prec=100) will just fill the missing 47 bits with randomness, just as if you had done CC(-

[sage-support] Maple in Sage on Mac

2009-01-12 Thread Alex Raichev
Hi all: I posted this question in September but still haven't been able to resolve the issue: how do i run Maple in Sage? Here's an example session (run on my Mac) illustrating the problem. Alex -- | Sage Version 3.

[sage-support] Re: number field question

2009-01-19 Thread Alex Raichev
ntion that Sage doesn't have an implementation of factorization, ideal, and variety calculations over QQbar. To double-check, is this true? Related to that, do any major computer algebra systems (Singular included) have such implementations? Alex On Dec 5 2008, 10:55 am, "William Stein

[sage-support] Re: number field question

2009-01-20 Thread Alex Raichev
x27; command; see http://sagetrac.org/sage_trac/ticket/4622 .) The point of my email was to check if something like this has already been done in Sage or some other math software system. If not and if i get a grant (time and money), then i'd like to extend Carl's work which, as he me

[sage-support] the number of irreducible analytic components at a point

2009-01-21 Thread Alex Raichev
two irreducible analytic components passing through (0,0), one for each factor of the decomposition f = (y -x*sqrt(1+x)) *(y +x*sqrt(1+x)) in CC{x,y}, the ring of power series convergent in a neighborhood of (0,0). Alex --~--~-~--~~~---~--~~ To post to this group

[sage-support] Re: server shutdown

2009-01-23 Thread Alex Ghitza
This is more of a workaround than a straight answer, but you can use the "gnu screen" terminal multiplexer to get a process started, log off, then come back and regain console access to it. Then you can, for instance, use ctrl-c to kill the server from within your sage session. Best,

[sage-support] Re: the number of irreducible analytic components at a point

2009-01-26 Thread Alex Raichev
Thanks for your reply, David. I didn't know Singular could factor over the ring of formal power series. I'll check it out. Alex On Jan 23, 11:09 pm, daveloeffler wrote: > Hmm. I'm not a geometer myself, but nobody else seems to have bitten > on this one... > > If

[sage-support] Re: question on modular curves in Sage

2009-02-14 Thread Alex Ghitza
canonical modular polynomials (maybe David Kohel can correct me here, if I'm wrong). In fact, Magma's commands also use databases, and I think they are the same as the ones in Sage's optional package. Best, Alex On Sun, Feb 15, 2009 at 9:37 AM, David Joyner wrote: > > Hi: >

[sage-support] polynomial coercion bug?

2009-02-19 Thread Alex Raichev
Hi all: I get an error when i try to coerce monomials of a multivariate polynomial ring over a number field to the corresponding polynomial ring over QQbar. Shouldn't this work? They're monomials; no coefficients. Here's an

[sage-support] Re: polynomial coercion bug?

2009-02-20 Thread Alex Raichev
Sweet! Thanks, Carl. Alex On Feb 20, 8:08 pm, Carl Witty wrote: > On Feb 19, 10:16 pm, Carl Witty wrote: > > > There's a bug.  And, now that you've pointed out the bug, I figured > > out how to crash Sage with a segmentation fault; so it's a serious > &g

[sage-support] Re: polynomial coercion bug?

2009-02-23 Thread Alex Raichev
in RR= R.change_ring(QQbar), supposing you have an embedding phi: F -- > QQbar? Grab the coefficients of f, compute their images under phi, grab the monomials of f, redefine (not coerce) them in RR, and reassemble the pieces in R

[sage-support] Re: polynomial coercion bug?

2009-02-24 Thread Alex Raichev
Thanks for your clarification and help, Carl. Alex On Feb 24, 5:15 pm, Carl Witty wrote: > On Feb 23, 7:57 pm, Carl Witty wrote: > > > On Feb 23, 6:54 pm, Alex Raichev wrote: > > > > Carl, regarding the parenthetical remark of your first reply, are you > > &

[sage-support] Re: ideals of points

2009-02-25 Thread Alex Raichev
gemath.org/doc/ref/module-sage.rings.polynomial.multi-polynomial-ideal.html for more details. Problem is, variety() sometimes fails: http://sagetrac.org/sage_trac/ticket/4622 . Alex On Feb 25, 7:27 am, davidp wrote: > Hi, > > I have the following homogeneous Singular ideal defining a fin

[sage-support] Re: ideals of points

2009-02-26 Thread Alex Raichev
age numbers with the eval() command. For instance, sage: a= eval(sol[1][1][1][1]) Does that work? Alex P.S. I'll be jumping for joy if/when the Singular people fix the bug that's breaking the potentially super-useful variety() command. On Feb 27, 5:54 am, davidp wrote: > Thank

[sage-support] I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-01 Thread Alex Lara
I'm using Sage 3.2.3. I can't load objects created and saved with Sage 3.1.1. I got the following message: DeprecationWarning: Your data is stored in an old format. Please use the save() function to store your data in a more recent format. --~--~-~--~~~---~--~~ To

[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-01 Thread Alex Lara
ara/test.sobj ----Alex On 1 mar, 09:34, Mike Hansen wrote: > Hi Alex, > > On Sun, Mar 1, 2009 at 8:20 AM, Alex Lara wrote: > > > I'm using Sage 3.2.3. I can't load objects created and saved with Sage > > 3.1.1. I got the following message: > >  DeprecationWa

[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-02 Thread Alex Lara
Hi Craig, Thanks for explanation, it was clear. Now I have six files, but the program is still running and will generate more files. So, I would love you can explain me how to fix the problem. Thanks, Alex On 1 mar, 23:41, Craig Citro wrote: > >> From command line of Sage 3.1.1

[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-02 Thread Alex Lara
Hey Craig, I have 3.2.3 in my laptop, but I use the machines of the University (which have 3.1.1) to do computations that take long time. ---Alex On 2 mar, 11:19, Craig Citro wrote: > Ah, does this mean you have a running copy of 3.1.1 still? Because I > think it'll be easier to

[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-02 Thread Alex Lara
Hi cc, All the objects have the same general shape as the one posted. The option (2) it is ok. I do not want you spend much time with my problem. Alex On 2 mar, 12:21, Craig Citro wrote: > Hi Alex, > > Well, I have one question first before deciding the right way to > proceed.

[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-02 Thread Alex Lara
Hi cc, All the objects have the same general shape as the one posted. The option (2) it is ok. I do not want you spend much time with my problem. Alex On 2 mar, 12:21, Craig Citro wrote: > Hi Alex, > > Well, I have one question first before deciding the right way to > proceed.

[sage-support] Another variety() bug?

2009-03-03 Thread Alex Raichev
rst embed the number field into QQbar. Here are two examples. Alex sage: var('t') t sage: K= NumberField(t^2+2,'a') sage: R.= PolynomialRing(K) sage: I= R.ideal([ x*y - 1, (x-2)^2 + (y-1)^2 - 1]) sage: I= R.ideal(I.groebner_basis()) sage: I.

[sage-support] Re: I can't load objets in Sage 3.2.3 that were created in Sage 3.1.1

2009-03-04 Thread Alex Lara
Fix example.tex and try again. Thanks, ---Alex On Mar 3, 6:02 pm, Craig Citro wrote: > Hi Alex, > > > All the objects have the same general shape as the one posted. The > > option (2) it is ok. I do not want you spend much time with my > > problem. > > Excellent

[sage-support] Problems using sagetex package

2009-03-04 Thread Alex Lara
how to fix this? Thanks, ---Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.

[sage-support] Re: Problems using sagetex package

2009-03-05 Thread Alex Lara
-- RuntimeError Traceback (most recent call last) ... RuntimeError: Unable to start maxima So, I guess I need to fix this first (how I don't know). right? ---Alex On Mar 5, 4:13 am, Dan Drake wrote: > On Wed, 04 Mar 2009 at 10:08PM -0800, Craig Citro wrote: > > > Do you know

[sage-support] Re: Problems using sagetex package

2009-03-05 Thread Alex Lara
Hi Drake, I didn't work. I have to versions of sage (3.1.1 and 3.2.3) running on my laptop. Really I don't have any clue of what's happening. ---Alex. On Mar 5, 4:03 pm, Dan Drake wrote: > On Thu, 05 Mar 2009 at 05:44AM -0800, Alex Lara wrote: > > Hi Dan, > &

[sage-support] Re: Problems using sagetex package

2009-03-05 Thread Alex Lara
Hi Marshall I'm using Ubuntu 8.04, in a laptop Dell inspiron 1420. I installed from source. I have 3.1.1. and 3.2.3. I was checking, maxima does not work at all. I can't do a simple example like: sage: x = var('x') sage: solve(x^2 + 3*x + 2, x) ---Alex On Mar 5, 9:38 

[sage-support] Re: Problems using sagetex package

2009-03-05 Thread Alex Lara
On Mar 5, 11:13 pm, Mike Hansen wrote: > Hi Alex, > > On Thu, Mar 5, 2009 at 9:37 PM, Alex Lara wrote: > > > Hi Marshall > > > I'm using Ubuntu 8.04, in a laptop Dell inspiron 1420. I installed > > from source. I have 3.1.1. and 3.2.3. I was checking, maxim

[sage-support] Re: Problems using sagetex package

2009-03-06 Thread Alex Lara
Hi there, I suppose it has to be with permissions. Sage is installed at my home directory. If a run sage as a root (su and then ./sage) maxima works!!! But if only run sage with sudo ./sage it does'nt. Do you have an idea why is that? ---Alex On Mar 6, 8:21 am, William Stein wrote: >

[sage-support] Re: Problems using sagetex package

2009-03-06 Thread Alex Lara
Sagetex is working!!! (and also Maxima). I did the following: I found that LANG=ex_MX.UTF-8 but .bashrc had export LC_ALL=C. So I commented and run sudo dpkg-reconfigure locales After that Maxima start to works. Thanks for the support. Alex On Mar 6, 8:54 am, Robert Dodier wrote

[sage-support] Division error in Sage 3.3 but not in Sage 3.1.1

2009-03-06 Thread Alex Lara
Hi guys, I recently upgrade sage from 3.2.3 to 3.3. I'm also have sage 3.1.1 The thing is that the following commands give different results: F.=FiniteField(9) A. = PolynomialRing(F) K. = FractionField(A) f= 2/(t^2+2*t); g =t^9/(t^18 + t^10 + t^2);f+g In 3.1.1 gives the right answer (I guess) b

[sage-support] Re: Division error in Sage 3.3 but not in Sage 3.1.1

2009-03-07 Thread Alex Lara
times before. Thanks John. ---Alex On 7 mar, 05:50, John Cremona wrote: > That is definitely a bug.  Doing it step by step works: > > sage: fd=f.denominator(); gd=g.denominator() > sage: fn=f.numerator(); gn=g.numerator() > sage: fn*gd+fd*gn > 2*t^18 + t^11 + t^10 + 2*t^2 > s

[sage-support] Object changes its contents after saved (sage 3.1.1)

2009-03-09 Thread Alex Lara
print (k,G[k]) Some idea of how to fix this? Thanks, Alex Lara. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options,

[sage-support] Re: Object changes its contents after saved (sage 3.1.1)

2009-03-10 Thread Alex Lara
Hi Craig, I think it is better option (1), but where can I get 3.4.rcl? I don't see it in the website of Sage. In your opinion, which option is better? ---Alex On 9 mar, 21:21, Craig Citro wrote: > Hi Alex, > > > After I found a bug in sage 3.2.3 ( see Division error in Sag

[sage-support] coercion bug?

2009-03-10 Thread Alex Raichev
Does anyone know what's up with this weird error? Sage can multiply a symbolic variable and a constant of a polynomial ring R but not a symbolic variable and an element of R.base_ring(). Alex sage: var('t') t sage: K.= NumberField(t^2+2,'a') sage: R.= PolynomialRing(K)

[sage-support] Re: coercion bug?

2009-03-11 Thread Alex Raichev
s over QQbar to the Symbolic Ring would be useful. At least it is in my work. What do you all think? As it stands Sage gives the error below. Alex -- | Sage Version 3.3, Release Date: 2009-02-21 | | Type

[sage-support] two questions about sage-mode

2009-03-11 Thread Alex Ghitza
ld come in handy when making changes to the sage library Best, Alex -- Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne -- Australia -- http://www.ms.unimelb.edu.au/~aghitza/ --~--~-~--~~~---~--~~ To post to this group, send email to sa

[sage-support] Fwd: two questions about sage-mode

2009-03-11 Thread Alex Ghitza
-- Forwarded message -- From: Nick Alexander Date: Thu, Mar 12, 2009 at 10:08 AM Subject: Re: two questions about sage-mode To: Alex Ghitza On 11-Mar-09, at 3:48 PM, Alex Ghitza wrote: Hi folks, > > Quite a few people at Sage Days 14 are fans of emacs and therefore

[sage-support] Re: coercion bug?

2009-03-11 Thread Alex Raichev
ines cheering "Go symbolics with QQbar! Go!" Alex --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, vi

[sage-support] Re: Substitution

2009-03-13 Thread Alex Ghitza
follows: F.substitute(a=0, b=3) # and Sage will answer: 3 If you do F.substitute? you will get the documentation for the substitution method, with more examples of usage. Best, Alex -- Alex Ghitza -- Lecturer in Mathematics -- The University of Melbourne

[sage-support] Re: Special linear group on finite field

2009-03-15 Thread Alex Ghitza
g from GF(3), hence not covered by the error message. So I don't think it has to do with trac #5491. It is either a problem with Sage finite fields, or with translating between Gap finite fields and Sage finite fields. I'll have a closer look later today and open a ticket. Best, Alex

[sage-support] Re: coercion bug?

2009-03-16 Thread Alex Raichev
Sweet! Alex On Mar 12, 5:07 pm, William Stein wrote: > On Wed, Mar 11, 2009 at 5:23 PM, Alex Raichev wrote: > > >> What would you want to do with QQbar in the Symbolic Ring? > > > Everything: differentiate functions with coefficients in QQbar, > > integrate them

[sage-support] jacobian() fails with Pynac symbolics

2009-03-16 Thread Alex Raichev
-- | Sage Version 3.4, Release Date: 2009-03-11 | | Type notebook() for the GUI, and license() for information.| -- sage: var('x,y

[sage-support] bug in pynac collect_common_factors() leads to segmentation fault

2009-03-17 Thread Alex Raichev
It seems my math projects keep breaking things... Alex -- | Sage Version 3.4, Release Date: 2009-03-11 | | Type notebook() for the GUI, and license() for information

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